Research Article
Effect of Left Ventricular Outflow Tract Obstruction on Left Atrial Mechanics in Hypertrophic Cardiomyopathy
Table 1
Phasic LA function parameters.
| | Reservoir function | | | Expansion index (%) | ( − )/ × 100 | | Left atrial ejection/emptying fraction (%) | ( − )/ × 100 | | Conduit function | | | Passive emptying index/fraction (%) | ( − )/ × 100 | | Conduit volume (mL/m2) | LV stroke volume − ( − ) | | Booster/pump function | | | Active emptying index/fraction (%) |
()/ × 100 |
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: maximal left atrial volume; : minimum left atrial volume; : left atrial volume immediately prior to atrial contraction.
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